This libgo patch alwayss define _AT_FDCWD and IPv6MTUInfo in the
syscall package. They aren't defined by old versions of glibc, but
are required by the code in syscall_linux.go. This should fix GCC PR
88060. Bootstrapped and ran Go testsuite on x86_64-pc-linux-gnu.
Committed to mainline.
Ian
Index: gcc/go/gofrontend/MERGE
===================================================================
--- gcc/go/gofrontend/MERGE (revision 266324)
+++ gcc/go/gofrontend/MERGE (working copy)
@@ -1,4 +1,4 @@
-559fae430b81595efe151222385192a07a9fc3c3
+37cb9763cbe8407b8c3a237b05a5272a226f14a0
The first line of this file holds the git revision number of the last
merge done from the gofrontend repository.
Index: libgo/mksysinfo.sh
===================================================================
--- libgo/mksysinfo.sh (revision 266324)
+++ libgo/mksysinfo.sh (working copy)
@@ -202,6 +202,11 @@ if ! grep '^const AF_LOCAL ' ${OUT} >/de
fi
fi
+# The syscall package requires _AT_FDCWD, but doesn't export it.
+if ! grep '^const _AT_FDCWD = ' ${OUT} >/dev/null 2>&1; then
+ echo "const _AT_FDCWD = -100" >> ${OUT}
+fi
+
# sysconf constants.
grep '^const __SC' gen-sysinfo.go |
sed -e 's/^\(const \)__\(SC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
@@ -669,6 +674,14 @@ grep '^type _ip6_mtuinfo ' gen-sysinfo.g
-e 's/ip6m_mtu/Mtu/' \
>> ${OUT}
+# We need IPv6MTUInfo to compile the syscall package.
+if ! grep 'type IPv6MTUInfo ' ${OUT} >/dev/null 2>&1; then
+ echo 'type IPv6MTUInfo struct { Addr RawSockaddrInet6; Mtu uint32; }' >>
${OUT}
+fi
+if ! grep 'const _sizeof_ip6_mtuinfo = ' ${OUT} >/dev/null 2>&1; then
+ echo 'const SizeofIPv6MTUInfo = 32' >> ${OUT}
+fi
+
# Try to guess the type to use for fd_set.
fd_set=`grep '^type _fd_set ' gen-sysinfo.go || true`
fds_bits_type="_C_long"
